* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        :root {
            --primary-blue: #1e6fa5;
            --accent-blue: #4a9fe3;
            --light-blue: #e6f2ff;
            --dark-blue: #0d3b66;
            --white: #ffffff;
            --gray: #f5f7fa;
            --text-dark: #333333;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        
        body {
            background-color: var(--gray);
            color: var(--text-dark);
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部样式 */
        header {
            background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
            color: var(--white);
            padding: 20px 0;
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }
        
        header::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%234a9fe3' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
            opacity: 0.3;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo-icon {
            width: 50px;
            height: 50px;
            background-color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            color: var(--primary-blue);
            font-weight: bold;
            font-size: 20px;
            box-shadow: var(--shadow);
        }
        
        .logo-text h1 {
            font-size: 28px;
            margin-bottom: 5px;
        }
        
        .logo-text p {
            font-size: 14px;
            opacity: 0.8;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav li {
            margin-left: 25px;
        }
        
        nav a {
            color: var(--white);
            text-decoration: none;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            transition: all 0.3s ease;
        }
        
        nav a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--white);
            transition: width 0.3s ease;
        }
        
        nav a:hover::after {
            width: 100%;
        }
        
        /* 轮播图样式 */
        .carousel-section {
            padding: 60px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
        }
        
        .section-title h2 {
            font-size: 32px;
            color: var(--dark-blue);
            display: inline-block;
            padding-bottom: 10px;
        }
        
        .section-title h2::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--accent-blue);
        }
        
        .carousel-container {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        
        .carousel {
            position: relative;
            width: 100%;
            height: 0;
            padding-bottom: 56.25%; /* 16:9 比例 */
            background-color: var(--light-blue);
            overflow: hidden;
        }
        
        .carousel-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 0.8s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            background-size: cover;
            background-position: center;
        }
        
        .carousel-slide.active {
            opacity: 1;
        }
        
        .slide-content {
            text-align: center;
            color: var(--white);
            padding: 30px;
            background-color: rgba(0, 0, 0, 0.5);
            border-radius: 10px;
            max-width: 80%;
        }
        
        .slide-content h3 {
            font-size: 28px;
            margin-bottom: 15px;
        }
        
        .slide-content p {
            font-size: 16px;
            line-height: 1.6;
        }
        
        .carousel-controls {
            position: absolute;
            bottom: 20px;
            left: 0;
            width: 100%;
            display: flex;
            justify-content: center;
            z-index: 10;
        }
        
        .carousel-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.5);
            margin: 0 5px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .carousel-dot.active {
            background-color: var(--white);
            transform: scale(1.2);
        }
        
        .carousel-nav {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 100%;
            display: flex;
            justify-content: space-between;
            padding: 0 20px;
            z-index: 10;
        }
        
        .carousel-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.7);
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            color: var(--dark-blue);
            font-size: 18px;
        }
        
        .carousel-btn:hover {
            background-color: var(--white);
            transform: scale(1.1);
        }
        
        /* 学院介绍样式 */
        .intro-section {
            padding: 60px 0;
            background-color: var(--white);
        }
        
        .intro-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .intro-card {
            background-color: var(--white);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .intro-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
        }
        
        .card-icon {
            height: 150px;
            background-color: var(--light-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
            font-size: 50px;
        }
        
        .card-content {
            padding: 25px;
        }
        
        .card-content h3 {
            font-size: 22px;
            color: var(--dark-blue);
            margin-bottom: 15px;
        }
        
        .card-content p {
            color: var(--text-dark);
            margin-bottom: 20px;
        }
        
        .card-btn {
            display: inline-block;
            padding: 8px 20px;
            background-color: var(--accent-blue);
            color: var(--white);
            text-decoration: none;
            border-radius: 5px;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .card-btn:hover {
            background-color: var(--primary-blue);
            transform: translateY(-2px);
        }
        
        /* 底部样式 */
        footer {
            background-color: var(--dark-blue);
            color: var(--white);
            padding: 50px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            font-size: 20px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--accent-blue);
        }
        
        .footer-column p, .footer-column a {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 10px;
            display: block;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-column a:hover {
            color: var(--white);
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-link {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .social-link:hover {
            background-color: var(--accent-blue);
            transform: translateY(-3px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                text-align: center;
            }
            
            .logo {
                margin-bottom: 20px;
            }
            
            nav ul {
                flex-wrap: wrap;
                justify-content: center;
            }
            
            nav li {
                margin: 5px 10px;
            }
            
            .carousel-container {
                border-radius: 8px;
            }
            
            .slide-content h3 {
                font-size: 22px;
            }
            
            .slide-content p {
                font-size: 14px;
            }
            
            .intro-cards {
                grid-template-columns: 1fr;
            }
        }